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zhang8448yong

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  • 等级:高级技工
  • 总积分:4723
  • 男,1969-06-04

最后登录:2017-06-15

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zhang8448yong材料应该不会用错吧! 这情况太危险了,改用双相钢或堆焊!------ Re:316L不锈钢生锈穿孔这是为什么?
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zhang8448yong高温蒸汽吹扫,去离子水清洗+浸泡------ Re:不锈钢管除油脂
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